Pavithradevi Wanniarachchi (Sinhala: පවිත්රා දේවි වන්නිආරච්චි) is a Sri Lankan lawyer, politician and former cabinet minister.
Her father was a senior politician who served as the 7th Governor of the North Western Province from 2004 until his death in 2007 and a member of Parliament from 1967 to 1977 and from 2000 to 2001.
She then became a member of the Sabaragamuwa Provincial Council in 1993 and in 1994 she entered Parliament as an MP representing the Ratnapura District.
From 2019 she was appointed as the Minister of Women & Child Affairs, Social Security, Health & Indigenous Medicine in government headed by the new President Gotabhaya Rajapaksa.
Pavithra Wanniarachchi's husband is Kanchana Jayaratne, who is the Chairman of the Sabaragamuwa Provincial Council and also serves as her Private Secretary.